value	unc_up	unc_lo	author	ref	method
0.040	0.0120	0.0120	Masiero	2012ApJ...759L...8M	NEATM
0.070	0.0166	0.0166	Masiero	2011ApJ...741...68M	NEATM
0.073	0.0468	0.0468	Masiero	2017AJ....154..168M	NEATM